JPH0123982Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is a powder method in which powder (including granule powder) is placed between two flexible plastic films, and the outer periphery of the film is sealed to contain the powder. This is related to improving the pack body, and its purpose is to increase the restoring force of the recessed part for powder storage, to maintain the normal shape of the recessed part at all times, and to have a good appearance while also preventing the stacking state from collapsing. There is no need to provide a bulk body.

In conventional pack bodies of this kind, for example,
54-162579, but in this case, the powder storage bottom is inclined to one side and parallel both side walls are formed vertically, so that the deepest part of the recess is When it is pushed and deformed from the back side toward the front side by external pressure, it does not return to its original shape easily, resulting in an extremely poor appearance of the package.

This invention eliminates the drawbacks of the conventional method by making the bottom part slope to one side and at the same time making both side walls gradually slope inward as they go deeper to make the slope gentler. It was designed to do so.

An embodiment of the present invention shown in the accompanying drawings will be described in detail below.

1 is a base film approximately 50μ thick made of vinyl chloride, styrene resin, aluminum foil, etc. laminated with polyethylene, and rectangular edges 4 consisting of short sides 2, 2' and long sides 3, 3' are formed at predetermined intervals. At the same time, a trapezoidal inclined wall 5 is formed which widens downward and inward from one short side 2 of the rectangular mouth edge 4 , and furthermore, from the lower side 6 of the inclined wall 5, the opposite short side 2 is formed. A trapezoidal inclined bottom wall 7 that becomes wider toward ′
The sides 8, 8' of the inclined bottom wall 7 are connected to the long sides 3, 3' of the rectangular mouth edge 4 to form inclined side walls 9, 9' to form the powder storage recess 10. It consists of 11 is the powder stored in the powder storage recess 10 ; 12 is a cover film having the same strength and moisture resistance as the base film 1;
The base film 1 and the periphery of the rectangular mouth edge 4 are integrally overlapped and sealed. 13 is a seal portion, 14 is a perforation line, and 15 is an opening notch. FIG. 7 shows another embodiment of the present invention, in which a portion of the inclined bottom wall 7 that is continuous with the short side 2' of the rectangular mouth edge 4 is formed into an inclined surface 16.

According to the present invention, the recess for storing the powder includes a trapezoidal inclined wall formed in a width direction downward and inward from one short side of the rectangular mouth edge formed in the base film, and the inclined wall. It is formed with a trapezoidal sloped bottom wall that is wide from the lower side toward the opposite short side, and sloped sidewalls that are continuous to both sides of the sloped bottom wall and each long side of the rectangular mouth edge. Preferably, the deepest part of the recess (which is usually the weakest part) is formed by the intersection of the trapezoidal sloped walls and the sloped ridges of the sloped bottom wall and the sloped side walls. As a result of this part being significantly reinforced, it has greater restoring force than the conventional concave part that is formed by simply sloping to one side, and even if it is deformed by external pressure, it will immediately return to its original shape once the pressing force is removed. This allows the pack to maintain its normal appearance at all times, and even when the packs are alternately reversed and stacked, they may be deformed and misaligned, causing the stack to lose its shape. There is no fear of this at all.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a plan view, Fig. 2 is a bottom view, and Fig. 3 is an A--
A sectional view, Fig. 4 is a BB sectional view of Fig. 1, Fig. 5
The figure is a front view when the packs are alternately reversed and superimposed, FIG. 6 is a perspective view of the bottom of the pack, and FIG. 7 is a perspective view of another embodiment. 1... Base film, 2, 2'... Short side, 3,
3'...long side, 4 ...rectangular mouth edge, 5...slanted wall,
6...Lower side, 7...Slanted bottom wall, 8, 8'...Both sides, 9, 9'...Slanted side wall, 10 ...Powder storage recess, 11...Powder, 12...Cover Film, 13... Seal portion, 14... Cutting line, 1
5... Opening notch, 16... Inclined surface.

Claims (1)

[Scope of utility model registration request] A trapezoidal sloped wall is formed in a width direction downward and inward from one short side of the rectangular mouth edge, and the width becomes wider from the lower side of the sloped wall toward the opposite rectangular side. A powder storage recess is formed in the base film, and the powder storage recess is formed with a sloped bottom wall and both sides of the sloped bottom wall are sloped side walls that are connected to each long side of the rectangular mouth edge. A powder pack obtained by storing a predetermined amount of powder in a container, polymerizing a cover film of substantially the same quality as the base film thereon, and sealing both films together at the periphery of the powder storage recess.